45878 has 16 divisors (see below), whose sum is σ = 82080. Its totient is φ = 18816.

The previous prime is 45869. The next prime is 45887. The reversal of 45878 is 87854.

It is an interprime number because it is at equal distance from previous prime (45869) and next prime (45887).

It is an alternating number because its digits alternate between even and odd.

45878 is an undulating number in base 15.

It is a Curzon number.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

45878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 462.

It is an arithmetic number, because the mean of its divisors is an integer number (5130).

2⁴⁵⁸⁷⁸ is an apocalyptic number.

45878 is a deficient number, since it is larger than the sum of its proper divisors (36202).

45878 is a wasteful number, since it uses less digits than its factorization.

45878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151.

The product of its digits is 8960, while the sum is 32.

The square root of 45878 is about 214.1915030994. The cubic root of 45878 is about 35.7987744449.

The spelling of 45878 in words is "forty-five thousand, eight hundred seventy-eight".